Format of imported audio.

	// Prints when an imported audio is compressed
	class CompressionLogger extends AssetPostprocessor {
	    function OnPreprocessAudio () {
	    	var audioImporter : AudioImporter = assetImporter;
	        if (audioImporter.format == AudioImporterFormat.Compressed) {
	            Debug.Log(assetPath + " Is compressed");
	        }
	    }
	}